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  <title>Adds adaptive blur filter to image</title>
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  <div id="layout-content"><div id="imagick.adaptiveblurimage" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Imagick::adaptiveBlurImage</h1>
  <p class="verinfo">(PECL imagick 2, PECL imagick 3)</p><p class="refpurpose"><span class="refname">Imagick::adaptiveBlurImage</span> &mdash; <span class="dc-title">Adds adaptive blur filter to image</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagick.adaptiveblurimage-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Imagick::adaptiveBlurImage</strong></span>(<span class="methodparam"><span class="type">float</span> <code class="parameter">$radius</code></span>, <span class="methodparam"><span class="type">float</span> <code class="parameter">$sigma</code></span>, <span class="methodparam"><span class="type">int</span> <code class="parameter">$channel</code><span class="initializer"> = Imagick::CHANNEL_DEFAULT</span></span>): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   Adds an adaptive blur filter to image. The intensity of an adaptive blur
   depends is dramatically decreased at edge of the image, whereas a standard
   blur is uniform across the image. 此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagick.adaptiveblurimage-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">radius</code></dt>

     <dd>

      <p class="para">
       The radius of the Gaussian, in pixels, not counting the center pixel.
       Provide a value of 0 and the radius will be chosen automagically.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">sigma</code></dt>

     <dd>

      <p class="para">
       The standard deviation of the Gaussian, in pixels.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">channel</code></dt>

     <dd>

      <p class="para">
       Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine <a href="imagick.constants.html#imagick.constants.channel" class="link">channel constants</a> using bitwise operators. 缺省为<strong><code>Imagick::CHANNEL_DEFAULT</code></strong>. 
参考此 <a href="imagick.constants.html#imagick.constants.channel" class="link">通道常数</a>列表
      </p>
     </dd>

    
   </dl>

  </p>

 </div>

 <div class="refsect1 returnvalues" id="refsect1-imagick.adaptiveblurimage-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>true</code></strong>。
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-imagick.adaptiveblurimage-errors">
  <h3 class="title">错误／异常</h3>
  <p class="para">
   错误时抛出 ImagickException。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-imagick.adaptiveblurimage-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2730">
    <p><strong>示例 #1 Using <span class="function"><strong>Imagick::adaptiveBlurImage()</strong></span>:</strong></p>
    <div class="example-contents"><p>
     Adaptively blur an image, then display to the browser.
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type:&nbsp;image/jpeg'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$image&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">(</span><span style="color: #DD0000">'test.jpg'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$image</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">adaptiveBlurImage</span><span style="color: #007700">(</span><span style="color: #0000BB">5</span><span style="color: #007700">,</span><span style="color: #0000BB">3</span><span style="color: #007700">);<br />echo&nbsp;</span><span style="color: #0000BB">$image</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="mediaobject">
     
     <div class="imageobject">
      <img src="images/c0d23d2d6769e53e24a1b3136c064577-adaptiveBlurImage.gif" alt="Output of example : Using Imagick::adaptiveBlurImage()" width="120" height="67" />
     </div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-imagick.adaptiveblurimage-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="imagick.blurimage.html" class="function" rel="rdfs-seeAlso">Imagick::blurImage()</a> - Adds blur filter to image</span></li>
    <li class="member"><span class="function"><a href="imagick.motionblurimage.html" class="function" rel="rdfs-seeAlso">Imagick::motionBlurImage()</a> - Simulates motion blur</span></li>
    <li class="member"><span class="function"><a href="imagick.radialblurimage.html" class="function" rel="rdfs-seeAlso">Imagick::radialBlurImage()</a> - Radial blurs an image</span></li>
   </ul>
  </p>
 </div>


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